JA. Idle Speed Above Normal
JA. IDLE SPEED ABOVE NORMAL
JA1
Mechanical Overview
-Check the air and vacuum hoses for leaks.
If no air leaks are found.
-Check the injector pulses JA2.
JA2.
Checking The Injector Pulses
Connect a voltmeter between terminals 1 and 2 on one of the injectors.
-Start the engine.
The voltmeter should read 200-400 mV.
If this value Is OK
-WB. Adjusting the throttle disc.
If the reading Is Incorrect
-Check the ECT sensor JA3.
JA3
Checking The Engine Coolant Temperature (ECT) Sensor
Carry out fault tracing in accordance with EE. DTC 1-2-3 DTC 1-2-3
ECT sensor absent or faulty.
If no fault Is found
Intermittent fault.
-Check the connections for loose contacts.